import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'
Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    //  welcome是home的子组件
    children: [
      { path: '/welcome', component: Welcome },
      { path: '/users',component: Users},
      { path: '/rights',component:Rights},
      { path: '/roles',component:Roles},
      { path: '/categories',component:Cate },
      { path: '/params',component:Params },
      { path: '/goods',component:GoodsList },
      { path: '/goods/add',component:Add },
      { path: '/orders',component:Order },
      { path: '/reports',component:Report },
    ]
  },
  

]

const router = new VueRouter({
  routes
})


// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 表示将要访问的路径
  // from 表示从哪个路径跳转而来
  // next 是一个函数，表示放行
  // next() 放行， next('/login') 强制跳转

  if (to.path === '/login') return next()
  // 获取token
  window.tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})


export default router
